Liquid-fuel burner



Jan. 19 1926.

A J. M. DIAL LIQUID FUEL .BURNER Filed March 31, 1925 2 Sheets-Sheet 1Jan. 19 1926.

J. M. DIAL LIQUID FUEL BURNER Filed MaIGh 3l 1925 2 Sheets-Sheet 2 aregulating Patented Jan. 19, 1.926.

PATENT oFFlcE.

.uns u. DIAL, or noeanr, encuen.

LIQUID-rum. 3mm.

Application mea man a1, 192s. seran 1ra-1am.

To all whom t may concern.'

Be it known that I, Jamas .M. Dm a citizen of the United States,reslding at ogart, in the county of Oconee and State of Georgia, haveinvented certain new and useful Improvements in Liquid-Fuel lurners; andI do hereby declare the following to be a full, clear, and exactdescription of the invention, such as will enable others skilled intheart to which it appertains to make and use the same.

My present invention relates to oil burning apparatus of the pan andtray type, exemplified Aby my pending application for U. S. LettersPatent Serial N o. 738,180, filed September 17, 1924, upon which thepresent structure is an improvement. 'It has for an object theproduction of burners designed, arranged and adapted for burning crudeoil or other hydrocarbons such as kerosene distillates or fuel oils.

This invention has for a further object the construction of burners ofthe character indicated, for either domestic or industrial uses, capableof easy installation in stoves, ranges or furnaces originally intendedfor burning coal, wood, coke or other fuels, as well as in stoves andfurnaces designed especially to receive these burners.

With the foregoing and other objects in view, the present improvementswill now be particularly described and. later pointed out by theappended claims.

In the accompanying drawings which.

form part of this application for Letters Patent, and whereoncorresponding numerals indicate like parts in the several views: v lFigure 1 is a'horizontal sectional view of the walls of afurnace,containing my improved burner shown in plan, together with thenecessary supply-and overflow pipes, and means for automaticallyregulating the supply of fuel oil, the latter means also appearin plan;gire 2 is a vertical sectional view through furnace wal1s,'showing anend elevation of burner, and a side elevation of its replating means;

igure 3 is a detail view showing in plan dial for the fuel sup ly line;Figure 4 1s a relatively enlar plan view of burner broken away `so as toshow underlying parts;

,ends

30, 30, two upon each side, threa ed through` 1 the said metal base ofthis baie element, and

Figure 5 is a longitudinal central sectional view through the completeassembly of burner; and

Figure 6 is a transverse sectional view of burner taken on the line 6 6of Figure 4.

. Reference being had to the drawings and numerals thereon, 10 indicatesthe walls of a furnace in which grate bars (not shown) are ordinarilysupported as at 11. In place of grate bars metal plates of sheet or castiron, or a rectangular plate such as 12 with center opening 13, issupported b the said flanges 11, and to this is securel olted theflanged ends 14 of the improved urner body 1'5. The body member 15 ispreferably, but not necessarily, of rectangular box-like form and isprovided with an underlyin drippan 16 extending the full length ofurner, and centrally positioned, having near one end an outlet 17.Immediately above the drip pan 16 is a burner trough 18 also centrallylocated and extending the length of burner. This burner trough 18, isprovided with an oil inlet 19 at one end, and also with a slidingscraper or cleaner paddle 20, arranged and adapted to traverse theentire length of the lburner trough 18, and to 4be actuated by agency ofa push rod 21 rojecting from the burner and furnace or purposes thatWill hereinafter appear.

At both sides of the burner trough 18, resting upon the surroundingflange 22, are corresponding fire baies 23 and 23 having upwardlyconverging top surfaces 24 perforated at frequent intervals as at 25,`and oppositely disposed downturned flanges 26, 26, gatedlnwardly atfrequent and regular `intervals as at 27, 'for purposes ofv controllingthe flame and heat distribution, and for other purposes as will .appearin the .description of operation to follow.

Centrally bolted to both end anges 14, 14, are racks 28, 28, in whichrest a surmounting baile 29 of V-shape, or upwardly diverging Y form,upon its underside as best shown by Figure 6. This bale 29, also ofsuitable heat resisting metal, and of substantially V-shape in crosslsection, is filled with lireclay or some other heat radiating material29* as shown by Figures 5 and 6, and at both f is provided with adjustinset screws at their lower-most ends resting directly upon mote from theburner hereinbefore described,l

Y is a fuel supply tank or source of oil supply 31 communicatingdirectly with the supply in et 19 of burner trough 18, by means of asupply pipe 32, valved as at 33 for re ulating the rate of supply, andprovided with a vdial plate 34 for showing the extent of such feed aswill later appear.

In the supply pipe 32 there is also a cutoff Valve 35 las shown byFigure 2, and up through the said dial plate 34 projects the stem 36 ofthe supply valve- 33iupon the upper end of which latter is rigidlysecured a pointer or indicator 37 crossing the dial diametrically andhaving a depending pin 38 in one end arranged and adapted to s ring intoone or the other of the holes 39.

pposite each of the holes 39 are numerals l to 6 inclusive, more orless, which indicate the extent to which the supply valve 3,3 iS openedwhen pin 38 occupies the opposite hole or indentation 39. A valve-wheel39 is also fixed to the projecting end ofv stem 36,

as a convenient means of rotating the latter.

Leading from the outlet 17 of drip pan 16 is an overflow pipe 40terminating in a drip can or container 41. This drip can 41and itscounterweight 42 are mounted upon op? posite ends of a tubular actuatingleve13143, which in turn is pivotally mounted upon. the stem 44 of theshut-oli" valve 35? aforesaid. The normal position of these parts, beingas indicated by full lines in Figure 2, it is obvious that any overflowfrom the drip-pan 16 will find its way directly into the container 41,to overbalance the weight 42, and, as a result, rotate stem 44,automatically closing the cut-off valve 35, as parts assume the positionindicated by dotted lines in Figure 2.

This being a description of the invention in one form of embodiment, itsuse and opration will now be briefly set forth as folows:

Presuming that my improved burner, with supply tank and intermediateconnections, has been installed in a furnace substantially as indicatedby Figures 1 and 2 of the drawings, the liquid fuel is then permitted toflow from tank 31 through valve 33 and supply pipe 32 to burner trough18 where it is ignited and burns. Air then entering the burner frombelow upon both sides of drippan 16, is first deflected by upwardlyconverging baiies 23 and 23,- and is then turned down by their innerlianges 26, 26, through a number of gates or ports27 which .cause amultiplicity of independent streams. This circuitous course of travelalso retards theA air supply somewhat and insures a thorough comminglingthereof with the Haine which it supports because of the said retardedcircuitous manner of delivery through the independent ports 27 in a'multiplicity of independent streams. Moreover, it will be noted that theopenings25 through the bafes 23, 23 permit the escape of a limitedamount of air over the surfaces of these balile elements, and serves tolift the flame out of actual gontact with the upper surfaces thereof,thus rendering the said battles much more durable, greatly increasingelflciency of the burner as' a whole, and serving also as a muliier toreduce the roaring sounds common to oil burners of this type.

In its further passage upward the iame then impinges upon the underdiverging surfaces of the final deflector 29, 29, which, together withits within contained heat radiatingv material 29a, becomes incandescentand contributes materially to the burner eliiciency.

In order to insure a uniform distribution of heat at both sides and atboth ends of the burner the said final deflector 29 is adjustable in alldirections by agency ofthe several screws 30 bearing upon their support-.in racks 28.

n the event that oil or other liquid fuel is supplied to burner 18 toorapidly the supply is automatically cut olf as follows: The Overiiowfrom said burner falls into the drip-pan 16, and upon reaching the levelof outlet 17, passes through outlet pipe 40 to the container 41 untilthe latter is overbalanced, lifting its counterweight 42 to the positionindicated by dotted lines, whereby the cut-olf valve 35 in supply line32 is automatically closed, and remains closed until ,parts are manuallyreturned to their nor- -mal operative positions.

In opening the vmain supplyV "valve 33, more or less according to reuirements imposed upon'the burner, han wheel 39 is rotated in the usualmanner, and with it moves the indicator 37 until its stop-pin 38 ispermitted to spring into the appropriate hole or depression 39, at whichtime the oposite end of pointer 37 will show upon the ace of dial 34 theextent to which valve 33 is open, this being indicated by the raisednumerals shown upon the edge of said dial in Figures 1 and 3 of thedrawings.,v

Having thus described my present mvention what Inow'claiin and desire tosecure `baiie plate upon'each side of said burner trough arrangedandadapted to direct an air supply -into the path of the productsl ofcombination.A and ports in the opposing sides depen dent' streams.

trough arranged and adapted to direct an` of said baille plates fordeliverin the air supply in a .multiplicity of in ependent streams.

2. A liquid Vfuel burner including in combination, a burner body, aburner trough supported Within said body, means for supplying liquidfuel to the burner trou h, a perforated baflie plate upon each si e ofsaid burner trough arranged and adapted to'direct an air supply into thepath of the products of combustlon, and ports in the opposing sides ofsaid baiiiey p ates for delivering the air supply in a multiplicity ofin- `3. A liquid fuel burner including in combination a burner body, aburner trough supported within said bodyi'means for supplylng liquidfuel to the urner trou h, a perforated baille plate upon each si e ofsaid burner trough arranged and adapted to direct an air supply into thepath of the products of combustion, and ports in the op- .posingdownturned angular sides of sald baille plates for delivering the airsupplyA in a multiplicity of independent streams. 4. A liquid` fuelburner including in c0m` bination a .burner body, a burner troughsupported Within said body, means for supplying liquid fuel to theburner trough, a battle plate upon each side of said burner air supplyinto the path of the products of combustion, ports in the innerdownturned" edges of said baille plates for delivering the air supply`in a multiplicity of independent streams, and a centrally positioneddiverging flame deflector surmounting theburner. 5. A liquid fuel burnerincluding in com bination, a burner tray, means for supplying liquidfuel to said tray, mounting the burner tray, and means for .tilting thesaid deiiector in all directions. -f 6. A liquid fuel burner includingin combination, a burner tray, means for su' plying liquid fuel tonsaidtray, a dame deiector tilted in all directions.

bination a burner tray,

supported Within said body, lsupplying liquid. fuel to the burnertrough,

,plymg liquid fuel to the K combustion,

surmounting the burner tray, a deiector supporting rack at ends of theburner tray, and set-screws interposed between said rack and de ectorwhereby the latter may be 7. A liquid fuel burner including in commeansfor supplying liquid fuel to said tray in predetermined lquantities, anda scraper-blade fitted to the interior of the burner tray saidscraperblade having an actuating rod projecting from the burner by whichit ma be caused to traverse the entire length o said tray.

8. A liquid fuel burner including in comhination a burner body, a burnertrough means for a baffle plate upon each side of said burner trougharranged and adapted to di rect an air .supply into the path of theproducts of combustion, op ositely disposed ports through the innerownturned edges 'of said baille plates for delivering the air supply ina multiplicity of independent streams,.and a centrally positioned drippan beneath the burner trough.

v 9. A liquid fuel burner including in combinataion va burner body, aburner trough supported within said body, means for supburner trough, abailie'plate upon each side of said` burner trough arranged and adaptedto direct an air supply into the path of the products of opposltelydgisposed ports through the inner downturned edges of said baille platesfor delivering the .air supply in JAMES M.

